<#assign base = request.contextPath />
<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>Insert title here</title>
		<base id="base" href="${base}" ul="${base}">
		<script type="text/javascript" src="${base}/js/jquery1.9.min.js"></script>
		<script type="text/javascript" src="${base}/js/echarts.js"></script>
		<script type="text/javascript" src="${base}/js/ec.js"></script>
	</head>
	<body>
		<form method="post" action="${base}/main">
			<input type="hidden"  name="img" id="img" value=""  />
			<input type="submit" value="保存图片" />
		</form>
		<div id="main" style="width: 600px; height: 400px;"></div>
	</body>
</html>